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Cast to int vs floor
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edited Dec 30 '14 at 21:44
Matt Ball
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quick random row selection in Postgres
...or(random()*N) LIMIT 1;
Consider a table of 2 rows; random()*N generates 0 <= x < 2 and for example SELECT myid FROM mytable OFFSET 1.7 LIMIT 1; returns 0 rows because of implicit rounding to nearest int.
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Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?
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answered Jul 6 '10 at 14:46
Tim RobinsonTim Robinson
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Select2 dropdown but allow new values by user?
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100
For version 4+ check this answer below by Kevin Brown
In Select2 3.5.2 and below, you can use ...
Is element block level or inline level?
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edited Dec 30 '15 at 2:38
answered Mar 8 '10 at 16:21
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Execute AsyncTask several times
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edited Jun 20 at 9:12
Community♦
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answered Jun 16 '11 at 14:49
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What is the !! (not not) operator in JavaScript?
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Converts Object to boolean. If it was falsey (e.g. 0, null, undefined, etc.), it will be false, otherwise, true.
!oObject // inverted boolean
!!oObject // non inverted boolean so true boolean representation
So !! is not an operator, it's just the ! operator twice.
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What is http multipart request?
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IggyIggy
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How can I tell AngularJS to “refresh”
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answered Sep 6 '12 at 17:09
DustinDustin
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What is the difference between fastcgi and fpm?
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edited Nov 12 '16 at 13:06
pevik
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answered Dec ...